import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, clearUserCache } from '@/utils/myAuth'
import router from '@/router'
// create an axios instance
const service = axios.create({
  // 一般是不需要baseUrl的
  // 什么时候需要呢? 当前端项目需要独立部署的时候,才需要
  // baseURL: 后台接口地址,    ==> 完整请求  后台接口地址 + '/lejuAdmin/xxxxx'
  baseURL: 'http://leju.bufan.cloud',
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor 拦截器
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (getToken()) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // 乐居后台接口的状态,20000成功,20001错误,伴随错误信息,20002一般是token过期或者失效
    // 针对token超时的处理
    if (res.code === 20002) {
      Message({
        message: 'token失效请重新登录!',
        type: 'error',
        duration: 5 * 1000
      })
      // 先清除用户缓存
      clearUserCache()
      // 跳转登录页
      router.push('/login')
    } else {
      return res
    }
    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })

    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //       confirmButtonText: 'Re-Login',
    //       cancelButtonText: 'Cancel',
    //       type: 'warning'
    //     }).then(() => {
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     })
    //   }
    // return Promise.reject(new Error(res.message || 'Error'))
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
